package school.community.config;

import org.springframework.util.StringUtils;
import org.springframework.web.servlet.LocaleResolver;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.Locale;

/**
 * 进行中英文切换
 */
public class MyLocalResolver implements LocaleResolver {

  //解析请求
  @Override
  public Locale resolveLocale(HttpServletRequest request) {
    //获取请求中的语言参数，只要请求里面带有l这个参数的都会走到这里
    String language = request.getParameter("l");
    Locale locale = Locale.getDefault();

    //判断language是否为空,如果不为空，则说明携带了国际化的参数
    if (!StringUtils.isEmpty(language)) {
      //zh_CN 国家，地区
      //进行字符串分割
      String[] split = language.split("_");
      locale = new Locale(split[0], split[1]);
    }
    return locale;
  }

  @Override
  public void setLocale(HttpServletRequest request, HttpServletResponse response, Locale locale) {

  }
}
